- 专利标题: RECYCLABLE PAPER PACKAGING LAMINATE HAVING A THIN BARRIER FILM AND GOOD TEAR-OPEN PROPERTIES
-
申请号: US18566512申请日: 2022-05-31
-
公开(公告)号: US20240253335A1公开(公告)日: 2024-08-01
- 发明人: Frank Eger , Andreas Fischer , Werner Geitner , Tobias Stein , Achim Grefenstein , Matthias Scheck
- 申请人: Constantia Pirk GmbH & Co. KG
- 申请人地址: DE Pirk
- 专利权人: Constantia Pirk GmbH & Co. KG
- 当前专利权人: Constantia Pirk GmbH & Co. KG
- 当前专利权人地址: DE Pirk
- 优先权: AT 04512021 2021.06.02
- 国际申请: PCT/EP2022/064681 2022.05.31
- 进入国家日期: 2023-12-01
- 主分类号: B32B27/10
- IPC分类号: B32B27/10 ; B32B7/12 ; B32B37/12 ; B65D75/26
摘要:
A packaging laminate includes a carrier layer and a barrier film, wherein the carrier layer consists of paper with a grammage of 40 to 120 g/m2, wherein the barrier film is connected with the carrier layer via a connecting layer, wherein a plastics film stretched in at least one stretching direction is provided as the barrier film, wherein the barrier film has a layer thickness of 1 to 10 μm, preferably less than 5 μm and very preferably less than 3 μm, and wherein the elongation at break of the barrier film in the at least one stretching direction is less than or equal to 180%, preferably less than or equal to 130%.
信息查询